gpio: don't override irq_*_resources() callbacks
gpio: don't override irq_*_resources() callbacks

If the driver has specified its own irq_{request/release}_resources()
functions, don't override them.  The gpio-etraxfs driver will use this.

Signed-off-by: Rabin Vincent <6bd3f43fd5b2b5689bccc97f6d09e3eb28307598@rab.in>
[Added a small comment blurb]
Signed-off-by: Linus Walleij <9cd9d802d23c0ed5e224beabf4ae4a5c478746ef@linaro.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs